S-90269A941 M27 ISO 7379 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction, ideal for harsh industrial environments and outdoor applications.
• Enhanced durability and wear resistance from the black oxide finish, which also provides a sleek, non-reflective appearance.
• Secure and non-slip grip during installation thanks to the knurled socket head, ensuring precise torque application with a 14 mm hex drive.
• High mechanical strength and reliability with a tensile strength of 70,000 psi and a minimum shear strength of 35,000 psi for demanding loads.
• Precise alignment and smooth rotation enabled by the 120 mm shoulder with a tightly toleranced diameter, reducing wear on mating components.
• Accurate and consistent threading with a Class 5g6g fit on the M27x3mm coarse thread, ensuring reliable fastening and interchangeability.
• Compliance with international standards including ISO 7379, RoHS, and REACH, guaranteeing safety, quality, and environmental responsibility.

Professional Applications & Engineering Value

This M27x3mm shoulder screw is engineered to address critical challenges in industrial applications such as machinery assembly, automotive systems, and precision equipment. The 316 stainless steel material offers exceptional resistance to corrosion from chemicals, saltwater, and high humidity, extending service life in aggressive environments. The black oxide finish not only enhances aesthetics but also provides an added layer of protection against abrasion and galling. The knurled socket head with a hex drive ensures secure tool engagement, minimizing slippage and enabling high-torque installation for robust connections. The long 120 mm shoulder acts as a precise pivot or spacer, reducing vibration and misalignment in rotating assemblies, while the Class 5g6g thread fit ensures consistent engagement and load distribution. Ideal for precision shoulder screw needs in manufacturing and engineering, this fastener delivers reliability, ease of maintenance, and long-term performance.

Specification Summary & Compliance

This shoulder screw features a metric M27x3mm coarse thread with a Class 5g6g thread fit for precise dimensional accuracy. The shoulder diameter is manufactured to a tolerance of -0.072 to -0.01 mm, and the shoulder length tolerance is 0 to 0.25 mm, ensuring consistent performance. It is manufactured in compliance with ISO 7379 standards and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its adherence to environmental and safety requirements without hazardous substances.